I think the Cowon Z2 is a nice player, but I have a problem. After a while my music apps do not recognize my SD card anymore. When I look in the file explorer, my card is still visible and I can even play songs via the explorer. but my apps do not show the files. I tried to unmount and mount it again via settings-->storage, 'Media Scanning' starts, but only for 1 second. It seems that media scanning does not work.

Anyone having the same problem and a solution?
I'd like to hear from you!
Tx